M800 Gas Flow Computer - Spirax Sarco

6.3 Commissioning mode
The commissioning mode is used to set the M800 to the pipeline flow, temperature and
pressure sensors, set and test the outputs and change the pass code.
All data entry is performed via a menu and sub menu configuration with the key pad buttons
used for navigation, i.e. to go deeper into the menu the right hand key is pressed, to
scroll up and down the menu the up and down keys are pressed and to exit
from a sub-menu the left key is pressed. The display will step down a line each time
a sub-menu is entered and display the previous menu title.
For example:-
Commissioning mode
• Basic Data
Key
press
Commissioning mode
• Basic Data
• Units
Key
press
Commissioning mode
• Basic Data
• Units
Met
Key
press
Commissioning mode
• Basic Data
• Units
Imp
Data to be edited is always displayed on the bottom right of the screen. Pressing the OK key
will enter new data. By pressing the up and down keys, the display will scroll through the
available data and the previously entered selection will flash. After a period of ten minutes
without any keys being pressed, the M800 will automatically return to the run mode.
You can enter the commissioning mode from the run mode
(apart from the error and alarm screen) by pressing and holding
down the 'OK' key for 5 seconds. The display then shows: Enter pass
8888
The flashing leading digit indicates the position of the cursor. The default, or factory set pass
code is 8888 (this can be changed from within the commissioning mode). The pass code can
be entered by using the up and down keys to increment or decrement the flashing value
and the left and right keys to move the cursor.
Pressing 'OK' will enter the pass code. If an incorrect pass code
is used, the display automatically returns to the run mode.
After the correct pass code is entered the display shows:
Commissioning mode
• Basic Data
To exit the commissioning mode at any stage, pressing and holding the left key will
return the M800 to the run mode.
Pressing the up and down buttons scrolls through the various first level menus.
Pressing the right arrow button enters a particular sub-menu.
IM-P333-25 MI Issue 2 31